This screen allows you to setup the requirements of some of the WebDrivers.

Configuration Options
Field	Details	Default
WebDrivers
ChromeDriver	This allows you to select the location of ChromeDriver.	The path to the bundled WebDriver, if available.
geckodriver	This allows you to select the location of geckodriver (Firefox driver).	The path to the bundled WebDriver, if available.
IEDriverServer	This allows you to select the location of IEDriverServer.	The path to the bundled WebDriver, if available.
Binaries
Firefox	This allows you to select the location of Firefox binary (for example, to use a version other than the system default).	(None)
PhantomJS	This allows you to select the location of PhantomJS binary.	(None)

Note: It's also possible to set the above locations (binaries and WebDrivers) using Java system properties, in which case the above options will be overridden and those values shown instead.

ZAP provides add-ons with the WebDrivers, when those add-ons are installed ZAP will attempt to use the bundled WebDrivers by default. Some OSs might not have a WebDriver for some of the browsers, in those cases ZAP will inform there's no WebDriver available. The bundled WebDrivers can also be (re)set with the 'Bundled' button (for example, if another WebDriver was manually set).

	Selenium	for an overview of the Selenium add-on
	API	for an overview of the Selenium API